Lake Forest, Illinois, USA, 30 June 2008 -- (BUSINESS WIRE) -- Packaging Corporation of America (NYSE: PKG), will hold a conference call on 22 July 2008, at 10:00 a.m. (Eastern Time) to discuss second quarter 2008 results. Second quarter 2008 earnings will be released after the market closes on 21 July 2008.

For access to the conference call on 22 July, dial (866) 291-4322 (USA and Canada) or (703) 639-1279 (International) by 9:45 a.m. (Eastern Time). The conference call leader will be Paul Stecko.

A replay of the call also will be available from 1:00 p.m. (Eastern Time) on 22 July 2008 until 11:59 p.m. (Eastern Time) on 05 August 2008. To access the recording, dial (888) 266-2081 (USA and Canada) or (703) 925-2533 (International). The passcode is 1258231.

This call will be webcast by CCBN and can be accessed at PCA's website at: www.packagingcorp.com.

PCA is the sixth largest producer of containerboard and corrugated packaging products in the United States with sales of USD 2.3 billion in 2007. PCA operates four paper mills and 67 corrugated product plants in 26 states across the country.

PCA Web Site: www.packagingcorp.com

Source: Packaging Corporation of America